linux-kernel - [PATCH v2 0/7] x86: retbleed=stuff fixes

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Message-ID: <20230116142533.905102512@infradead.org>
Date:   Mon, 16 Jan 2023 15:25:33 +0100
From:   Peter Zijlstra <peterz@...radead.org>
To:     x86@...nel.org, Joan Bruguera <joanbrugueram@...il.com>
Cc:     linux-kernel@...r.kernel.org, peterz@...radead.org,
        Juergen Gross <jgross@...e.com>,
        "Rafael J. Wysocki" <rafael@...nel.org>,
        xen-devel <xen-devel@...ts.xenproject.org>,
        Jan Beulich <jbeulich@...e.com>,
        Roger Pau Monne <roger.pau@...rix.com>,
        Kees Cook <keescook@...omium.org>, mark.rutland@....com,
        Andrew Cooper <Andrew.Cooper3@...rix.com>,
        Jörg Rödel <joro@...tes.org>,
        "H. Peter Anvin" <hpa@...or.com>
Subject: [PATCH v2 0/7] x86: retbleed=stuff fixes

Hi all,

Patches to address the various callthunk fails reported by Joan.

The first two patches are new (and I've temporarily dropped the
restore_processor_state sealing).

It is my understanding that AP bringup will always use the 16bit trampoline
path, if this is not the case, please holler.